seem to be praising each other lowering debate expectations. we're hearing mitt romney has been rehearsing zingers. the president has been rehearsing delivering shorter answers in this debate. what does each man need to do to convince the american public he's the right man for the job. let's start with president obama. >> president obama needs to just look presidential, not look flustered, not give any lines like hillary, you're likeable enough which seemed to demonstrate a certain arrogance or smugness or putting down anybody else. mitt romney has to be aggressive and has to make points and has to come off as knowledgeable, supposedly in 1994 he doesn't do well with followup questions because he feels he's already given an answer. that was when he was debating ted kennedy. it's everything for romney to gain by doing well and obama just needs to be steady and look, as i said, presidential and not make any mistakes and not have romney get under his skin and say something which demonstrates that obama is flustered in any way. >> it's been a while since the president has had a deba